"The universe is a dangerous place. But it's also a beautiful place."

"I don't want to live in a world where people don't understand science. That's a world of darkness."

"Science is not a battle between good and evil. It's a battle between ignorance and knowledge."

"I'm just trying to get people to think about the universe in a different way."

"No offense to anyone, but if you're an adult and you're still believing in Santa Claus, I'm concerned for you."